Feat/rust stac catalogue

[mathleur]

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[jameshawkes]

as discussed, revert select changes and implement drop() and squeeze()

Creates a qube with the same dimensions, but with only the selected coordinates

q = qubed.select({"class": "od", "expver": "0001/0002/0003"})

class = od
expver = 0001/0002
param = a/b/c
levelist = 1000

Removes dimensions that only have one value

q2 = q.squeeze()
param = a/b/c

squeeze():
for key in self.dims:
if len(self[key]) == 1:
self.drop(key)

Removes dimensions from the qube

q3 = q.drop("class", "expver")
param = a/b/c
levelist = 1000

filter = {"class": "od", "expver": "0001/0002/0003"}
q = qubed.select(filter)

to show what's been selected

treeview = copy(q)
for key in treeview.dims:
if key not in filter.keys():
treeview.drop(key)

for key in filter.keys():
print("{} = {}".format(key, q[key]))

q = q.drop(filter.keys())